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\begin{tabular}{lcc} \hline
 & (1) & (2) \\
VARIABLES &  &  \\ \hline
 &  &  \\
actual\_15 & 0.00426 &  \\
 & (0.116) &  \\
q4a & 0.00609 &  \\
 & (0.137) &  \\
diff\_act1514 &  & 0.574*** \\
 &  & (0.0437) \\
Constant & 0.615*** & 0.00708 \\
 & (0.224) & (0.0677) \\
 &  &  \\
Observations & 216 & 216 \\
R-squared & 0.001 & 0.430 \\
 Group Clustering & Yes & Yes \\ \hline
\end{tabular}
\end{document}
